Monticello Weather in September

What's the weather like in Monticello (Indiana) in September 2024?

The climate in Monticello during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Monticello and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 12°C (53°F) is normal.

Monticello weather averages (imperial / metric)
Daytime temperature 25.1°C 77.1°F
Nightly temperature 11.6°C 52.8°F
Average temperature 18.3°C 64.9°F
Daily sunshine 8.6 hrs
Avg rainfall 77 mm 3 ins
Rainy days 9 days
Sea temperature 20.9°C 69.6°F
Humidity 73%
Windspeed 14kph 9 mph

On average September is the 6th wettest month of the year in Monticello with around 77mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 hours of sunshine per day.

September temperatures in Monticello

Monticello average temperature in September

September rainfall

Monticello average rain in September

September hourly sunshine

Monticello average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Monticello in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Monticello weather stats

Monticello weather statistics
Hottest month: July 29.3°C 84.7°F
Driest month: February 45mm 1.8ins
Sunniest month: July 11hrs
Coldest month: January -0.3°C 31.5°F
Wettest month: June 100mm 3.9ins
Map showing location of Monticello (40.74532, -86.76473) Monticello map pin © Google

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